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Malcolm Beattie


integer - Perl pragma to compute arithmetic in integer instead of double


    use integer;
    $x = 10/3;
    # $x is now 3, not 3.33333333333333333


This tells the compiler that it's okay to use integer operations from here to the end of the enclosing BLOCK. On many machines, this doesn't matter a great deal for most computations, but on those without floating point hardware, it can make a big difference.

See "Pragmatic Modules" in perlmod.